A new solution to the equation τ ( p ) ≡ 0 ( mod p ) . Lygeros, Nik; Rozier, Olivier — 2010 Journal of Integer Sequences [electronic only]
New progress in enumeration of mixed models. Bayon, Roman; Lygeros, Nik; Sereni, Jean-Sébastien — 2005 Applied Mathematics E-Notes [electronic only]
Orders with ten elements are circle order. Bayon, Roman; Lygeros, Nik; Sereni, Jean-Sébastien — 2007 Applied Mathematics E-Notes [electronic only]